CA2012303A1 - Tensioning device for flexible driving belts - Google Patents

Tensioning device for flexible driving belts

Info

Publication number
CA2012303A1
CA2012303A1 CA2012303A CA2012303A CA2012303A1 CA 2012303 A1 CA2012303 A1 CA 2012303A1 CA 2012303 A CA2012303 A CA 2012303A CA 2012303 A CA2012303 A CA 2012303A CA 2012303 A1 CA2012303 A1 CA 2012303A1
Authority
CA
Canada
Prior art keywords
belt
biasing element
damping mechanism
predetermined direction
tensioning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2012303A
Other languages
French (fr)
Other versions
CA2012303C (en
Inventor
Vincenzo Macchiarulo
Edoardo Robecchi
Alberto Ruffini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli Trasmissioni Industriali SpA
Original Assignee
Vincenzo Macchiarulo
Edoardo Robecchi
Alberto Ruffini
Pirelli Transmissioni Industriali S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vincenzo Macchiarulo, Edoardo Robecchi, Alberto Ruffini, Pirelli Transmissioni Industriali S.P.A. filed Critical Vincenzo Macchiarulo
Publication of CA2012303A1 publication Critical patent/CA2012303A1/en
Application granted granted Critical
Publication of CA2012303C publication Critical patent/CA2012303C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
    • F16H7/1236—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the fluid and restriction type, e.g. dashpot
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/06—Endless member is a belt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0806—Compression coil springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0891—Linear path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0893—Circular path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE
A tensioning device is provided for a flexible belt wound around the pulleys of a drive mechanism. The tensioning device includes an elastic biasing element and a damping mechanism. The biasing element applies a force on the belt in a predetermined direction to oppose belt slackenings. The damping mechanism dampens movements of the belt. The biasing element and the damping mechanism constitute a single unit wherein both exert on the belt forces which act on the belt at the same time in a predetermined direction to maintain a predetermined tensioning. The biasing element acts independently of the damping mechanism in the presence of considerable slackenings of the belt and functions as part of the damping mechanism to dampen thrusts of the belt acting on the device in the direction opposite to the predetermined direction. A connection unit connects the damping mechanism to the biasing element. This connection unit is an elastic system which applies a reaction force according to the predetermined direction in which the biasing element acts on the belt.
CA002012303A 1989-03-15 1990-03-15 Tensioning device for flexible driving belts Expired - Fee Related CA2012303C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19788A/89 1989-03-15
IT8919788A IT1228729B (en) 1989-03-15 1989-03-15 Belt drive tensioner

Publications (2)

Publication Number Publication Date
CA2012303A1 true CA2012303A1 (en) 1990-09-15
CA2012303C CA2012303C (en) 1994-03-01

Family

ID=11161219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002012303A Expired - Fee Related CA2012303C (en) 1989-03-15 1990-03-15 Tensioning device for flexible driving belts

Country Status (10)

Country Link
US (1) US5021032A (en)
EP (1) EP0387539B1 (en)
JP (1) JPH02278047A (en)
AR (1) AR244861A1 (en)
AT (1) ATE91762T1 (en)
BR (1) BR9001429A (en)
CA (1) CA2012303C (en)
DE (1) DE69002258T2 (en)
ES (1) ES2047175T3 (en)
IT (1) IT1228729B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255353B (en) * 1991-05-01 1994-11-30 Hollingsworth On Wheels John D Drive between an autoleveller and a coiler
JPH07317858A (en) * 1994-05-23 1995-12-08 Tsubakimoto Chain Co Tensioner having spring with nonlinear spring characteristic
DE19707498B4 (en) * 1996-02-27 2010-12-23 Ntn Corp. Chain tensioner and chain drive
GB9621440D0 (en) * 1996-10-15 1996-12-04 Renold Plc A chain tensioner
US5700216A (en) * 1996-12-05 1997-12-23 Borg-Warner Automotive, Inc. Hydraulic tensioner for dual chain system
GB9828304D0 (en) 1998-12-23 1999-02-17 Renold Plc A chain or belt tensioner
US6361459B1 (en) * 2000-04-14 2002-03-26 The Gates Corporation Tensioner
DE10044125A1 (en) * 2000-09-06 2002-03-14 Schaeffler Waelzlager Ohg Tension system for traction mechanism drive has hydraulic and mechanical tension units, which include damping units for damping adjustment movement
US6592482B2 (en) * 2001-10-22 2003-07-15 The Gates Corporation Tensioner
DE10223008A1 (en) * 2002-05-22 2003-12-11 Claas Selbstfahr Erntemasch Zugmittelspanneinrichtung
US7766775B2 (en) * 2006-12-01 2010-08-03 Ntn Corporation Chain tensioner
WO2009074566A1 (en) * 2007-12-10 2009-06-18 Schaeffler Kg Mechanical spring element for flexible drive
KR101923657B1 (en) * 2017-01-12 2018-11-30 유신정밀공업 주식회사 Chain Tensioner
NL2024857B1 (en) * 2020-02-07 2021-10-05 Wps Horti Systems B V Conveyor belt system, use of a spring-damper assembly in a tensioning assembly for an endless belt conveyor, as well as use of a belt conveyor system in growing crops

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538789A (en) * 1968-10-01 1970-11-10 Allis Chalmers Mfg Co Transmission control
US4241614A (en) * 1979-06-04 1980-12-30 Chouinard Raymond J Power take-off
US4473362A (en) * 1981-07-08 1984-09-25 Litens Automotive Inc. Belt tensioner with variably proportional damping
US4411638A (en) * 1981-08-27 1983-10-25 Dayco Corporation Belt tensioner and method of making the same
US4466803A (en) * 1981-08-27 1984-08-21 Dayco Corporation Belt tensioner and method of making the same
US4706696A (en) * 1984-08-10 1987-11-17 Gillis Robert E Orbit tent
JPS6145653U (en) * 1984-08-29 1986-03-26 アイシン精機株式会社 auto tensioner
US4708696A (en) * 1985-08-30 1987-11-24 Tsubakimoto Chain Co. Tensioner for toothed drive belts
DE3536834A1 (en) * 1985-10-16 1987-04-16 Skf Gmbh TENSIONER FOR DRIVE BELTS
FR2612591B2 (en) * 1986-04-21 1990-06-08 Hutchinson Sa TENSIONER DEVICE FOR TRANSMISSION BELT

Also Published As

Publication number Publication date
IT8919788A0 (en) 1989-03-15
ATE91762T1 (en) 1993-08-15
BR9001429A (en) 1991-04-09
US5021032A (en) 1991-06-04
JPH02278047A (en) 1990-11-14
EP0387539A3 (en) 1990-10-17
DE69002258T2 (en) 1994-02-24
CA2012303C (en) 1994-03-01
AR244861A1 (en) 1993-11-30
ES2047175T3 (en) 1994-02-16
EP0387539A2 (en) 1990-09-19
DE69002258D1 (en) 1993-08-26
EP0387539B1 (en) 1993-07-21
IT1228729B (en) 1991-07-03

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed